TWI456935B - 傳訊方法、基地台裝置、移動終端裝置及無線通訊系統 - Google Patents

傳訊方法、基地台裝置、移動終端裝置及無線通訊系統 Download PDF

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TWI456935B
TWI456935B TW100129204A TW100129204A TWI456935B TW I456935 B TWI456935 B TW I456935B TW 100129204 A TW100129204 A TW 100129204A TW 100129204 A TW100129204 A TW 100129204A TW I456935 B TWI456935 B TW I456935B
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TW100129204A
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TW201215024A (en
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Tetsushi Abe
Nobuhiko Miki
Yusuke Ohwatari
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Ntt Docomo Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Claims (5)

  1. 一種基地台裝置，其特徵為，具備：設定部，係在所定之頻率領域及時間領域所成之1資源區塊內，作為用來發送下行鏈結頻道之參照訊號亦即CSI-RS(Channel State Information-Reference Signal)用的資源，而規定了由複數資源元素所成之CSI-RS用資源，而該設定部係用以在CSI-RS用資源之一部分中，設定空白資源；和送訊部，係用以將位元圖發送至移動終端裝置，其中，對CSI-RS用資源內的資源元素之集合係分別被定有索引號，該位元圖係為了表示資源區塊內的空白資源位置而由索引號與靜音之有無所建立對應而成。
  2. 如請求項1所記載之基地台裝置，其中，CSI-RS用資源的資源元素，係於1資源區塊中，在後半時槽裡配置得比前半時槽還多；前記設定部，係於1資源區塊中，可在後半時槽裡以高於前半時槽之密度來設定空白資源。
  3. 一種移動終端裝置，其特徵為，具備：收訊部，係用以接收位元圖，其中，在所定之頻率領域及時間領域所成之1資源區塊內，作為用來發送下行鏈結頻道之參照訊號亦即CSI-RS用的資源，而規定了由複數資源元素所成之CSI-RS用資源，對CSI-RS用資源內的資源元素之集合係分別被定有索引號，該位元圖係為了表示資源區塊內的空白資源位置而由索引號與靜音之有無所 建立對應而成；和測定部，係基於已接收之位元圖而進行下行鏈結頻道推定。
  4. 一種傳訊方法，其特徵為，具備：在所定之頻率領域及時間領域所成之1資源區塊內，作為用來發送下行鏈結頻道之參照訊號亦即CSI-RS用的資源，而規定了由複數資源元素所成之CSI-RS用資源，在CSI-RS用資源之一部分中，設定空白資源之步驟；和將位元圖發送至移動終端裝置之步驟，其中，對CSI-RS用資源內的資源元素之集合係分別被定有索引號，該位元圖係為了表示資源區塊內的空白資源位置而由索引號與靜音之有無所建立對應而成。
  5. 一種無線通訊系統，係屬於具備基地台裝置、和連接至前記基地台裝置之移動終端裝置的無線通訊系統，其中，前記基地台裝置係具備：設定部，係在所定之頻率領域及時間領域所成之1資源區塊內，作為用來發送下行鏈結頻道之參照訊號亦即CSI-RS用的資源，而規定了由複數資源元素所成之CSI-RS用資源，而該設定部係用以在CSI-RS用資源之一部分中，設定空白資源；和送訊部，係用以將位元圖發送至移動終端裝置，其中，對CSI-RS用資源內的資源元素之集合係分別被定有索引號，該位元圖係為了表示資源區塊內的空白資源位置而 由索引號與靜音之有無所建立對應而成；前記移動終端裝置係具備：收訊部，係用以接收，從前記基地台裝置所發送過來的、用來表示資源區塊內的空白資源位置所需的索引號與靜音之有無所建立對應而成的位元圖；和測定部，係基於已接收之位元圖而進行下行鏈結頻道推定。
TW100129204A 2010-08-16 2011-08-16 傳訊方法、基地台裝置、移動終端裝置及無線通訊系統 TWI456935B (zh)

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CN (1) CN103155671B (zh)
AU (1) AU2011291745B2 (zh)
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AU2011291745A8 (en) 2013-04-04
MX2013001770A (es) 2013-03-22
EP2608615A1 (en) 2013-06-26
CA2807633C (en) 2017-03-07
KR20130143008A (ko) 2013-12-30
TW201215024A (en) 2012-04-01
CA2807633A1 (en) 2012-02-23
WO2012023551A1 (ja) 2012-02-23
CN103155671A (zh) 2013-06-12
AU2011291745A1 (en) 2013-03-07
CN103155671B (zh) 2017-10-31
JP2012044323A (ja) 2012-03-01
BR112013003604A2 (pt) 2016-08-16
EP2608615A4 (en) 2014-10-22
JP4938117B2 (ja) 2012-05-23
US20130182648A1 (en) 2013-07-18
AU2011291745B2 (en) 2015-09-03
KR101576866B1 (ko) 2015-12-11

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